Why is glass useful for making eyeglasses?

2 answers:

6 0

Glass lenses have less impurities in the material compared to plastic lenses, and so they are optically clearer and easier to see through. ... Also, because glass is a much harder material than plastic, glass lenses do not scratch as easily as plastic lenses, even if they have scratch resistant coating.

german3 years ago

5 0

Answer:

Because it can be shaped to make things magnified

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See attached picture.

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